Brake disc



FIG. 1 is a front perspective view of a brake disc embodying my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear perspective view thereof;

FIG. 4 is a rear elevation view thereof; and,

FIG. 5 is a side elevation view thereof. 

CLAIM The ornamental design for a brake disc, as shown and described. 